| Not Yet Recruiting | Fecal Microbiota Transplantation for Decolonization of Multidrug-resistant Microorganisms Carbapenem-Resistant Enterobacteriaceae Colonization | N/A | 2025-12-01 |
| Recruiting | The Treatment Effect for Asymptomatic Common Bile Duct Stone Choledocholithiasis, Asymptomatic Condition, Quality of Life | — | 2024-01-02 |
| Unknown | Intravascular Injection Rate During Lumbar Transforaminal Epidural Block Using Bent or Straight Needles Analgesia, Epidural | N/A | 2023-04-27 |
| Unknown | Neutralizing Antibody Level After COVID-19 Vaccination Covid19 | — | 2021-06-02 |
| Unknown | The Effect of Transcutaneous Electrical Nerve Stimulation on Pain During Propofol Injection Transcutaneous Electrical Nerve Stimulation, Pain, Propofol Adverse Reaction | N/A | 2021-06-01 |
| Active Not Recruiting | Preoperative Sequential Short-course Radiation Therapy and FOLFOX for Locally Advanced Rectal Cancer Rectal Cancer | Phase 2 | 2020-10-23 |
| Active Not Recruiting | Neoadjuvant FOLFOX Chemotherapy for Patients With Locally Advanced Colon Cancer Colon Cancer | Phase 3 | 2020-10-23 |
| Completed | Theranova Versus High-flux Dialyzer on Preservation of Residual Renal Function End Stage Renal Disease | N/A | 2020-04-23 |
| Completed | Quadratus Lumborum Block : Local Anesthesia Versus Placebo Loop Ileostomy, Colorectal Disorders | N/A | 2020-04-08 |
| Completed | Comparison of Nasal Taper-guard Cuffed and a Nasal Cylindrical Endotracheal Tube Endotracheal Tube, Cuff Pressure | N/A | 2020-01-10 |
| Unknown | Serratus Anterior Plane Block Versus Intercostal Nerve Block for Postoperative Analgesia Analgesia, Postoperative Pain, Lung Cancer | N/A | 2019-08-16 |
| Unknown | Ultrasound-guided Deep and Superficial Serratus Anterior Plane Block Pain Management, Thoracotomy | N/A | 2019-07-15 |
| Completed | Feasibility of CALM Therapy in Korean Cancer Patients Depression | N/A | 2019-06-12 |
| Unknown | Quality of Life After Cytoreductive Surgery and Intraperitoneal Chemotherapy Colorectal Cancer Metastatic | — | 2018-10-01 |
| Unknown | Correlation of Intravascular Injection Rate and Severity of Cervical Neural Foraminal Stenosis Analgesia, Epidural | N/A | 2018-10-01 |
| Unknown | The Effects of Ultrasound-guided Serratus Plane Block During Video-assisted Thoracoscopic Lobectomy Anesthesia, Conduction, Pain Management | N/A | 2018-08-28 |
| Completed | A Comparison of Intravascular Injection With Chiba Needle and Whitacre Needle Spinal Stenosis Lumbar, Disk Herniated Lumbar | N/A | 2018-04-01 |
| Unknown | Ultrasound-Guided Serratus Anterior Plane Block in Pneumothorax Surgery Analgesia, Postoperative Pain, Pneumothorax | N/A | 2018-02-01 |
| Completed | Comparison of the Cuff Pressure of a Taper-guard Cuffed Tube Between Ipsilateral and Contralateral Rotation of Anesthesia, Endotracheal, Airway Management | N/A | 2018-01-02 |
| Completed | Local Wound Infiltration Plus TAP Block Versus Local Wound Infiltration Only Colorectal Disorders | N/A | 2017-12-20 |
| Unknown | Targeted Forceps Biopsy for Colorectal Tumors Colorectal Neoplasms | N/A | 2017-09-01 |
| Unknown | Unilateral Versus Bilateral TLIF for Degenerative Lumbar Spondylolisthesis Degenerative Spondylolisthesis, Transforaminal Lumbar Interbody Fusion | N/A | 2017-07-06 |
| Unknown | Self Screening Tool for Crohn's Perianal Fistula Crohn Disease | — | 2017-05-01 |
| Completed | The Effect of Lamina-G on Gastrointestinal Symptom After Gastric Biopsy Gastrointestinal Symptom | Phase 4 | 2017-03-27 |
| Completed | Flare Type Self-expandable Metal Stent for Malignant Colorectal Obstruction Colorectal Cancer | N/A | 2017-01-01 |
| Completed | Incidence and Clinical Course of Colonoscopy Related Perforation Perforation Colon | — | 2017-01-01 |
| Completed | Information and Communication Technology (ICT) Based Centralized Clinical Trial Monitoring System for Drug Adh Kidney Transplantation | N/A | 2017-01-01 |
| Completed | Detection of Intravascular Injection Between Blunt and Sharp Needles During Cervical Transforaminal Epidural B Pain, Radicular; Neuropathic, Cervical | N/A | 2016-10-20 |
| Completed | A Bedside Portable Endoscopy for the Esophageal Foreign Body Esophageal Foreign Body | N/A | 2016-10-01 |
| Unknown | Gastric Cancer Registry for Epidemiology and Molecular Risk Factor Gastric Cancer | — | 2016-08-01 |
| Completed | Anti CT-P13 Antibody in Moderate to Severe Inflammatory Bowel Disease Inflammatory Bowel Disease, Ulcerative Colitis, Crohn's Disease | — | 2016-07-01 |
| Completed | Comparison of the Cuff Pressure of TaperGuard and Cylindrical- Endotracheal Tube During Laparoscopic Surgery Cuff Pressure | N/A | 2016-06-01 |
| Completed | Comparison of the Cuff Pressure Between a Taper-guard Cuffed Tube and a Cylindrical-shaped Cuffed Tube Cuff Pressure | N/A | 2016-06-01 |
| Unknown | Analysis of Body Mass Index in Central Precocious Puberty Patients Treated With Leuprolide Acetate Precocious Puberty, Central | Phase 4 | 2016-06-01 |
| Unknown | Predictive Model of Clinical Outcomes Using Web-based Self-reporting Symptom Diary for Crohn's Disease Crohn's Disease | — | 2016-04-01 |
| Completed | Detection of Intravascular Penetration During Cervical Transforaminal Epidural Block Diagnostic Imaging | N/A | 2016-04-01 |
| Completed | The Pilot Study on Tailored Eradication Therapy According to Clarithromycin Resistance in H.Pylori Patients Peptic Ulcer | Phase 4 | 2016-03-02 |
| Completed | Clinical Analysis of Ocular Parameters Contributing to Intraoperative Pain During Standard Phacoemulsification Phacoemulsification | — | 2016-03-01 |
| Terminated | Azathioprine Based on Endoscopy After Clinical Remission in Moderate to Severe Ulcerative Colitis Ulcerative Colitis | Phase 4 | 2016-02-01 |
| Completed | The Effect of Pregabalin on the Spinal Anesthesia Block | N/A | 2016-02-01 |
| Completed | The Effect of Pregabalin on Pain of Propofol Injection Pain | N/A | 2016-02-01 |
| Completed | Predictive Factors of Endoscopic Mucosal Healing in Quiescent Ulcerative Colitis Ulcerative Colitis | — | 2016-01-01 |
| Completed | Effect of H. Pylori Eradication on the Fate of H. Pylori-associated Gastric Polyp Gastric Polyp, Helicobacter Pylori Infection | Phase 4 | 2015-12-09 |
| Unknown | Predicting Biomarker of Gastric Cancer Chemotherapy Response Gastric Cancer, Chemotherapy Effect, Predictive Cancer Model | — | 2015-11-30 |
| Unknown | Prediction Model of Response for CCRT in Esophageal Cancer Esophageal Cancer | — | 2015-10-19 |
| Completed | The Impact of Additional Oral Preparation on the Quality of Bowel Preparation for Colonoscopy Bowel Preparation Quality | Phase 3 | 2015-09-01 |
| Completed | Esmolol Pretreatment on Pain During Injection of Propofol Pain | N/A | 2015-06-01 |
| Completed | A Comparison of Injection Pain of Propofol During Endoscopy : LCT Propofol vs MCT/LCT Propofol Pain, Complication of Injection | Phase 4 | 2015-04-01 |
| Recruiting | Inflammatory Bowel Disease Registry in Daegu-Gyeongbuk Idiopathic Chronic Inflammatory Bowel Disease | — | 2014-09-01 |
| Completed | Anti Emetic Efficacy of Combination of Ramosetron and Premixture of Naloxone With Patient-controlled Analgesia Postoperative Nausea and Vomiting | N/A | 2014-07-01 |
| Completed | Postoperative Nausea and Vomiting: Ramosetron Plus Aprepitant vs Palonosetron Plus Aprepitant Postoperative Nausea and Vomiting | N/A | 2014-07-01 |
| Completed | Pseudophakic Cystoid Macular Lesions After Uncomplicated Standard Phacoemulsification Pseudophakic Cystoid Macular Lesions After Uncomplicated Standard Phacoemulsification | — | 2013-10-01 |
| Completed | Comparison of 4L Polyethylene Glycol and 2L Polyethylene Glycol With Ascorbic Acid in Inactive UC Patients Ulcerative Colitis | N/A | 2013-08-01 |
| Unknown | A Trial to Assess Robot-assisted Surgery and Laparoscopy-assisted Surgery in Patients With Mid or Low Rectal C Rectal Cancer | Phase 3 | 2013-06-01 |
| Completed | Prevention of Intrathecal Morphine Induced Pruritus: Comparison of Ondansetron and Palonosetron Morphine Adverse Reaction | N/A | 2013-04-01 |
| Active Not Recruiting | Early Commencement of Adjuvant Chemotherapy for Colon Cancer Colon Cancer | Phase 3 | 2013-01-13 |
| Completed | Impact of Dialysis Modality on Hepcidin and Iron Metabolism End-stage Renal Disease | — | 2012-11-01 |
| Unknown | Branched-chain Amino Acid (BCAA) on Progression of Advanced Liver Disease Liver Cirrhosis | Phase 4 | 2012-11-01 |
| Unknown | Intraperitoneal Chemotherapy and Systemic Chemotherapy Versus Systemic Chemotherapy After Curative Resection o Advanced Gastric Cancer With Serosal Invasion | Phase 3 | 2012-10-01 |
| Unknown | The Effects of Conversion From Cyclosporine to Tacrolimus on the Changes of Cardiovascular Risk Profiles and S CYCLOSPORINE/TACROLIMUS | Phase 4 | 2012-09-01 |
| Completed | The Effect of Transcutaneous Electrical Nerve Stimulation on Pain During Venous Cannulation Cannulation Pain | N/A | 2012-05-01 |
| Recruiting | Analysis of Biomarkers From Patients With Chorioretinal Diseases Diabetic Retinopathy, Macular Degeneration | — | 2012-04-01 |
| Completed | Retinal Vessel Diameter in Branch Retinal Vein Occlusion Branch Retinal Vein Occlusion | — | 2012-04-01 |
| Terminated | Enhanced Recovery Program After Laparoscopic Colon Cancer Surgery Colon Cancer | N/A | 2012-01-01 |
| Completed | The Effect of Postural Changes on Intraocular Pressure in Silicone Oil-filled Eyes Silicone Tamponade | — | 2012-01-01 |
| Unknown | S-1 Versus S-1 Plus Cisplatin as an Adjuvant Chemotherapy to Treat Gastric Cancer Gastric Cancer | Phase 2 | 2011-09-01 |
| Completed | Effect of the Adjunctive IVB Before PRP Diabetic Retinopathy | Phase 4 | 2011-08-01 |
| Completed | Mycophenolate Mofetil in Patients With Progressive Idiopathic Membranous Nephropathy Glomerulonephritis, Membranous | Phase 3 | 2011-03-01 |
| Completed | Vascular Endothelial Growth Factor (VEGF) & LOC387715/HTRA1 Polymorphism in Polypoidal Choroidal Vasculopathy Age-Related Macular Degeneration | — | 2010-10-01 |
| Completed | Comparison of Quality of Life on Automated Peritoneal Dialysis and Continuous Ambulatory Peritoneal Dialysis End Stage Renal Disease, Peritoneal Dialysis | — | 2010-10-01 |
| Completed | LOC387715/HTRA1 and the Combined Photodynamic Therapy With Intravitreal Bevacizumab in Polypoidal Choroidal Va Age-Related Macular Degeneration | — | 2010-10-01 |
| Completed | Trial to Assess the Efficacy and Safety of Nafamostat Mesilate During Continuous Renal Replacement Therapy Acute Kidney Injury | Phase 4 | 2010-07-01 |
| Completed | Early Results of Slanted Recession of the Lateral Rectus Muscle for Intermittent Exotropia With Convergence We Intermittent Exotropia | N/A | 2010-06-01 |
| Completed | LOC387715/HTRA1 Variants in Polypoidal Choroidal Vasculopathy in a Korean Population Age-Related Macular Degeneration | N/A | 2010-04-01 |
| Completed | Laparoscopic Surgery Versus Robot Surgery for Right-side Colon Cancer: Short-term Outcome of a Randomised Clin Colon Cancer | Phase 2 | 2010-01-01 |
| Completed | The Efficacy of Penile Rehabilitation Using Udenafil After Total Mesorectal Excision of Rectal Cancer Rectal Cancer | Phase 4 | 2009-10-01 |
| Completed | Clinical Analysis of Recurrence Patterns Following Conjunctival Autografts for Pterygium Surgery Recurrent Pterygium | — | 2009-02-01 |
| Completed | Reduction of Corneal Astigmatism With Toric Intraocular Lens Implantation in Congenital Cataract Congenital Cataract | N/A | 2009-01-01 |
| Completed | The Efficacy of Serum Pepsinogen for Prediction of Metachronous Gastric Neoplasm Gastric Cancer | — | 2007-01-01 |
| Completed | Effect of Glucose Degradation Products (GDP) on Endothelial Dysfunction Kidney Failure, Chronic, Disorders Associated With Peritoneal Dialysis | Phase 4 | 2005-10-01 |